// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()
const db = cloud.database()
// 云函数入口函数
exports.main = async (event, context) => {
  var uid = event.uid
  var pids = []
  db.collection("coll").add({
    data:{
      uid,
      pids
    }
  })
}